Friday, July 18, 2008

SOLVED: vpnc and resolvconf

I've been using vpnc to connect to a Cisco 3000 VPN Concentrator. Since upgrading from Dapper Drake to Hardy Heron I noticed that after about 20 minutes domain name resolution would fail even though the VPN was still up.

It turned out that /etc/resolv.conf we being overwritten by the DHCP client when the DHCP lease expired (and needed renewal).

The solution was to install the resolvconf package, which manages /etc/resolv.conf.

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